Google Inc has launched Nexus 6, the bigger and more expensive versions of its range of Nexus phones, which will hit store shelves in November, also will compete against Apple iPhone 6 Plus as wells as a variety of other phones that run on the free Android software, including popular devices made by Samsung Electronics.

Here's all about the all new Google Nexus 6:

* Google Nexus 6 smartphone becomes the newest and largest of the Google-branded handsets

* Google Nexus 6 boasts a nearly 6-inch screen, eclipsing the 5.5-inch display on the iPhone 6 Plus that Apple began selling last month.

* Google Nexus 6 to be produced by Motorola, which Google bought in 2012 and is in the process of selling to China's Lenovo.

* Nexus 6 smartphone is one of the first devices designed for new Android Lollipop operating system.

* Google is charging a comparable price for the Nexus 6, with prices beginning at $649 for a phone without a wireless contract commitment. That's $300 more than the previous generation

* Google Nexus 6 has An f2.0 lens and 13 megapixel camera with optical image stabilisation and 2MP front-facing.

* This aluminum frame device has a six-inch high resolution screen and runs on Qualcomm Snapdragon 805 Quad Core 2.7 GHz processor; memory: 32 GB, 64 GB

* The large screen of Google Nexus is complemented by dual front-facing stereo speakers that deliver high-fidelity sound

* Google Nexus 6 smartphone, with 3220 mAh battery, comes with a Turbo Charger, so you can get up to six hours of use with only 15 minutes of charge.

* Advance orders for the Google Nexus 6 will be accepted toward the end of October and be available in stores at a still-to-be-determined date next month.